安卓 搖一搖 包含 objectAnimator valueAnimator的動畫效果

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public class MyAnimationDemo extends BaseActivity  implements SensorEventListener{    private View mCircleLight;    private ObjectAnimator mCircleLightAnimator;    private CurtainView mCurtainView;    private ImageView mIvStar;    private ObjectAnimator mIvStarAnimator;    private long lastShakeTime;    private int mAnimationCurrentState;    private Sensor mAccecerateSonsor;    private SensorManager mSensorManager;    @Override    public void onAccuracyChanged(Sensor sensor, int accuracy) {    }//精度發生變化時觸發    @Override    public void onSensorChanged(SensorEvent event) {        if (event.sensor.getType()==TYPE_ACCELEROMETER) {            float value[] = event.values;            float x = value[0];            float y = value[1];            float z = value[2];            if (System.currentTimeMillis() - lastShakeTime > 2000 &&Math.abs(x)>17&&Math.abs(y)>17&&Math.abs(z)>17){                lastShakeTime = System.currentTimeMillis();                startAnimation();            }        }    }//感應器value值發生變化時觸發    @Override    public void onNetworkChanged() {    }    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.acrivity_animation_demo);        initview();        initAnimator();    }    private void initview(){        mCircleLight = (View)findViewById(R.id.animation_light);        mCurtainView = (CurtainView)findViewById(R.id.animation_curtain);        mIvStar = (ImageView)findViewById(R.id.animation_star);    }    private void initAnimator(){        mCircleLightAnimator = new ObjectAnimator();        mCircleLightAnimator.setTarget(mCircleLight);        mCircleLightAnimator.setPropertyName("rotation");        mCircleLightAnimator.setFloatValues(0,360);        mCircleLightAnimator.setDuration(1000);        mCircleLightAnimator.setRepeatMode(ValueAnimator.RESTART);        mCircleLightAnimator.setInterpolator(new LinearInterpolator());        mCircleLightAnimator.addListener(new Animator.AnimatorListener() {            @Override            public void onAnimationStart(Animator animation) {            }            @Override            public void onAnimationEnd(Animator animation) {                mCurtainView.closeWindow();            }            @Override            public void onAnimationCancel(Animator animation) {            }            @Override            public void onAnimationRepeat(Animator animation) {            }        });        mIvStarAnimator = new ObjectAnimator();       // mIvStarAnimator.ofFloat(mIvStar,"rotationY",0,180);        mIvStarAnimator.setTarget(mIvStar);        mIvStarAnimator.setPropertyName("rotateX");        mIvStarAnimator.setFloatValues(0,360);        mIvStarAnimator.setInterpolator(new LinearInterpolator());        mIvStarAnimator.setDuration(2000);        mIvStarAnimator.setRepeatMode(ValueAnimator.RESTART);    }    private void startAnimation(){        mCurtainView.setVisibility(View.VISIBLE);        mCurtainView.openWindow();        mCircleLightAnimator.start();    }    @Override    protected void onResume() {        super.onResume();        mSensorManager =(SensorManager) getApplicationContext().getSystemService(SENSOR_SERVICE);        if (mSensorManager != null) {            mAccecerateSonsor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);            if (mAccecerateSonsor!=null){                mSensorManager.registerListener(this,mAccecerateSonsor,SensorManager.SENSOR_DELAY_UI);            }        }    }    @Override    protected void onDestroy() {        super.onDestroy();        if (mSensorManager != null) {            mAccecerateSonsor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);            if (mAccecerateSonsor!=null){                mSensorManager.unregisterListener(this,mAccecerateSonsor);            }        }    }}
onpause的時候也記得登出 感應器呀

自訂view 利用ValueAnimator實現窗帘開閉合動畫

public class CurtainView extends View implements ValueAnimator.AnimatorUpdateListener,Animation.AnimationListener {    int mCurtainstate = 0;//0 完全開啟 1 開啟 2 閉合動作  3 完全閉合    private Paint mPaint;    private RectF mRectF;    private ValueAnimator mAnimator;    public CurtainView(Context context) {        this(context,null);    }    public CurtainView(Context context, @Nullable AttributeSet attrs) {        this(context, attrs,0);    }    public CurtainView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {        super(context, attrs, defStyleAttr);        mPaint = new Paint();        mPaint.setColor(Color.WHITE);        mAnimator = new ValueAnimator();        mAnimator.setDuration(500);        mAnimator.addUpdateListener(this);        mAnimator.setInterpolator(new DecelerateInterpolator());    }    @Override    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {        super.onMeasure(widthMeasureSpec, heightMeasureSpec);        setMeasuredDimension(Math.min(widthMeasureSpec,heightMeasureSpec),Math.min(widthMeasureSpec,heightMeasureSpec));    }    @Override    protected void onDraw(Canvas canvas) {        super.onDraw(canvas);        if (mRectF==null){            mRectF = new RectF(0,0,getMeasuredWidth(),getMeasuredHeight());        }        if (mAnimator.getAnimatedValue()!=null){            int i = (int)mAnimator.getAnimatedValue();            canvas.drawArc(mRectF,90-i,i*2,false,mPaint);//s上半邊窗帘            canvas.drawArc(mRectF,270-i,i*2,false,mPaint);        }    }    public  void openWindow(){        mCurtainstate = 1;        mAnimator.setIntValues(0,90);        mAnimator.start();    }    public  void closeWindow(){        mCurtainstate=2;        mAnimator.setIntValues((int)mAnimator.getAnimatedValue(),0);        mAnimator.start();    }    @Override    public void onAnimationUpdate(ValueAnimator animation) {        invalidate();    }    @Override    public void onAnimationRepeat(Animation animation) {    }    @Override    public void onAnimationStart(Animation animation) {    }    @Override    public void onAnimationEnd(Animation animation) {        if (mCurtainstate ==1){            mCurtainstate = 0;        }else if (mCurtainstate==2){            mCurtainstate=3;        }    }}

 

安卓 搖一搖 包含 objectAnimator valueAnimator的動畫效果